API Float Collar and Float Shoe Using in Oilfield Cement

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100 pc
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6000 pc/month

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Item specifice:

Type: Float Shoe&Collar Machine Type: Drilling Tool Material: Carbon Steel

Product Description:

1. Structure of API Float Collar and Float Shoe Description


A float shoe is used in the drilling of oil and gas wells. It is a single cylindrical piece that performs the functions of both a float collar and a guide shoe. Its main purpose is to guide drilling equipment to the bottom of the well without snagging, like a guide shoe. It also contains a check valve to allow fluids to pass in only one direction, like a float collar.

As operators drill a well, they line the hole with casing. The casing is a steel pipe of the same diameter as the hole. It prevents the walls of the hole from caving in during the drilling process. It also prevents fluid from seeping into the hole. In the event that petroleum is found at the drill site, the casing is used as a conduit to pump petroleum out of the well.
As each section of casing, or joint, is only 30 feet (9 meters) long, many are needed to reach the bottom of most wells. A series of casings screwed together is called a casing string. The float shoe is screwed onto the bottom of the casing string to guide the casing to the bottom of the well. It prevents mud from entering the casing. It also helps the casing to float during the descent, which decreases the load acting on the oil derrick and other topside drilling equipment.  

The float shoe is a short cylinder made of steel. It is rounded at the bottom to allow easy insertion into the well hole. The cylinder is hollow in the middle to allow liquid to flow through. Most are equipped with check valves, which allow the liquid to flow in only one direction. This prevents water or mud from being forced upward through the casing.
The type of check valve most often used in a float shoe is called a ball check valve, which is basically a ball inside a tube. The wider end of the tube faces the bottom of the float shoe. As liquid moves up the float shoe, it forces the ball up the tube until the ball hits the narrower neck at the top of the tube. The pressure of the liquid against the ball seals it to the tube, preventing liquid from entering the rest of the casing string. If water or cement is pumped down the float shoe, the ball drops away from the neck, allowing the liquid to flow by.


2. Main Features of API Float Collar and Float Shoe


1) Advanced test for quality
2) MTC provided
3) Good price and service

3. API Float Collar and Float Shoe Images

API Float Collar and Float Shoe Using in Oilfield Cement

API Float Collar and Float Shoe Using in Oilfield Cement

API Float Collar and Float Shoe Using in Oilfield Cement



4. API Float Collar and Float Shoe Specification

Specification(in)

O.D.(mm)

Total length

(mm)

I.D.

(mm)

Min Dia.

(mm)

Conn Type

Affordable 
  strength of 

back-pressure

(Mpa)

Float Collar

5

141.3

500

110

50

5 BCSG

35

5 1/2

153.67

530

112

55

5 1/2BCSG

35

7

194.46

586

162.5

77

7 BCSG

35

9 5/8

270

720

225

77

9 5/8 BCSG

35

13 3/8

365

720

319

77

133/8 BCSG

35

20

533.4

720

475

77

20 BCSG

35

Float Shoe

5

140.3

495

110

50

5 BCSG

35

5 1/2

153.67

514

122

55

5 1/2 BCSG

35

7

194.46

533

162.5

77

7 BCSG

35

9 5/8

269.88

550

225

77

9 5/8 BCSG

35

13 3/8

339.7

550

319

77

133/8 BCSG

35

20

534

652

475

77

20 BCSG

35


5. FAQ of API Float Collar and Float Shoe


We have organized several common questions for our clients,may help you sincerely:

1) How about your company?
One of the leading manufacturers and suppliers specializing in this product in China, supply a wide variety of accessories consists of our one-stop sales. The integrated sales & service ensures customers with various demands an easier access for purchasing management.

2) How to guarantee the quality of the products?
We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

3) How long can we receive the product after purchase?
In the purchase of product within three working days, We will arrange the factory delivery as soon as possible.

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